Built-in rechargeable lithium-ion battery
Charging via USB to computer system or power adapter
Talk time: Up to 14 hours on 3G
Internet use: Up to 10 hours on 3G, up to 10 hours on LTE, up to 11 hours on Wi‑Fi
HD video playback: Up to 11 hours
Audio playback: Up to 50 hours
Standby time: Up to 10 days